package daily.kou2022_0228;

public class Num100 {
    public boolean isSameTree(TreeNode p, TreeNode q) {
        if (p==null&&q==null){
            return true;
        }
        if (p==null||q==null){
            return false;
        }
        return p.val== q.val&&isSameTree(p.left,p.left)&&isSameTree(q.right,p.right);




    }


}
